function anjian() {
    let xxx = document.querySelector("button")
    xxx.setAttribute("disabled",true)
    // console.log("111")
    var zhanghao = document.getElementById('zhanghao').value;
    console.log(zhanghao);
    var mima = document.getElementById('mima').value;
    console.log(mima);
    var yanzheng = document.getElementById('yanzheng').value;
    console.log(yanzheng);
    if (zhanghao == "" || /[\\+\-*\/%=!(\){}\[\]]/.test(zhanghao) || zhanghao.includes(" ")) {
        alert("账号格式不正确")
        return false
    }
    if (mima == "" || !/^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[^\da-zA-Z]).{8}$/.test(mima)) {
        alert("密格式错误")
        return false
    }
    if (yanzheng != "x8nc") {
        alert("验证码不正确")
        return false
    }else{
        alert("登录成功")
        setTimeout(function(){
            xxx.removeAttribute("disabled",false)
        },2000)
    }
}